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Very nice! How was the install? Any performance bumps? I keep putting it off but it's on my list.
It was a fun learning experience! Check out the more detailed thread: Did a Big 3 Upgrade

So far it's a tossup regarding performance bump. I've only driven the car once since I did the upgrade, and I actually logged a lower average voltage!
I'm wondering if it's because the weather is ~30 degrees (F) warmer than the last time I logged pre-upgrade voltages, or if the alternator just doesn't have to work as hard to fill current demands, or both as alternator output is a function of ambient temperature.

I'm still getting great fuel economy and I really think my audio system sounds better.
 
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